Indian defenses

Queen's Indian Defense

1.d4 Nf6 2.c4 e6 3.Nf3 b6

The Queen's Indian Defense starts with 1.d4 Nf6 2.c4 e6 3.Nf3 b6 and is catalogued under ECO E12, in the indian defenses half of the book. The catalog indexes 53 lines inside it, grouped into 48 named variations.

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Current setup

Move ideas

  1. 1.d4

    Takes central space with a protected pawn and frees the queen’s bishop.

    Idea: Build a stable center that supports a broad positional setup.

  2. 1Nf6

    Develops a knight and prevents White from occupying e4 unchallenged.

    Idea: Keep the central pawns flexible and choose an Indian setup after White commits.

  3. 2.c4

    Advances the c-pawn to gain queenside space and control new squares.

    Idea: Create useful wing space while keeping the central structure flexible.

  4. 2e6

    Advances to e6 to claim central space and control nearby key squares.

    Idea: Give the pieces room to develop behind a durable central foothold.

  5. 3.Nf3

    Develops the knight to f3, bringing it into the game.

    Idea: Improve piece coordination and clear the back rank for castling and the rooks.

  6. 3b6

    Advances the b-pawn to gain queenside space and control new squares.

    Idea: Create useful wing space while keeping the central structure flexible.

  7. 4.Nc3

    Develops the knight to c3, bringing it into the game.

    Idea: Improve piece coordination and clear the back rank for castling and the rooks.

  8. 4Bb7

    Develops the bishop to b7, bringing it into the game.

    Idea: Improve piece coordination and clear the back rank for castling and the rooks.

  9. 5.Bg5

    Develops the bishop to g5, bringing it into the game.

    Idea: Improve piece coordination and clear the back rank for castling and the rooks.

  10. 5h6

    Advances the h-pawn to gain kingside edge space and control new squares.

    Idea: Create useful wing space while keeping the central structure flexible.

  11. 6.Bh4

    Repositions the bishop to h4, where it influences a new part of the board.

    Idea: Improve the piece’s activity and support the next stage of the plan.

  12. 6g5

    Advances the g-pawn to gain kingside space and control new squares.

    Idea: Prepare a fianchetto or discourage the opponent’s expansion on that wing.

  13. 7.Bg3

    Repositions the bishop to g3, where it influences a new part of the board.

    Idea: Improve the piece’s activity and support the next stage of the plan.

  14. 7Nh5

    Repositions the knight to h5, where it influences a new part of the board.

    Idea: Improve the piece’s activity and support the next stage of the plan.

Book continuations

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0 moves
This is the end of the indexed line.

Named variations

Each line below is an indexed entry under Queen's Indian Defense. Open one to load it on the board and keep exploring from that position.

24 more named lines sit inside this family — the tree above walks all of them.

ECO groups openings by the structures they lead to, so these families tend to share plans with the Queen's Indian Defense.